Smooth Bore Ring Gages

.4550 CL XX MASTER PLAIN BORE RING GAGE .4531 +.0019 29/64 11.557 mm .455 CHECK - JC2858AC4

.3140 CL X CARBIDE MASTER PLAIN BORE RING GAGE .3125 +.0015 5/16 8 mm .314 CHECK - JC2843AC4

.3683 MASTER PLAIN BORE RING GAGE .3750 -.0067 UNDERSIZE 3/8 9.355 mm CHECK - JC2853AC4

.4340 CLASS X MASTER PLAIN BORE RING GAGE .4375 -.0035 UNDERSIZE 7/16 11 mm .434 - JC2852AC4

.7483 CLASS XX MASTER PLAIN BORE RING GAGE .7500 -.0017 UNDERSIZE 3/4 19 mm - JC2851AC4

2.0474 CLASS X MASTER PLAIN BORE RING GAGE 2.0469 +.0005 UNDERSIZE 2 3/64 52 mm - BT3650AC4

.8060 CL X MASTER PLAIN BORE RING GAGE .8125 -.0065 13/16 20.472 mm .806 CHECK - BT3649AC4

.6523 CL XX MASTER PLAIN BORE RING GAGE .6563 -.0040 UNDERSIZE 21/32 16.568 mm - BT3648AC4

.9378 CLASS X MASTER PLAIN BORE RING GAGE .9375 +.0003 OVERSIZE 15/16 24 mm - BT3647AC4

.8980 CL Y MASTER PLAIN BORE RING GAGE .9063 -.0083 UNDERSIZE 29/32 23 mm .898 - BT3659AC4

.8180 CL XX MASTER PLAIN BORE RING GAGE .8125 +.0055 13/16 20.777 mm .818 CHECK - BT3658AC4

.6255 CLASS X MASTER PLAIN BORE RING GAGE .6250 +.0005 OVERSIZE 5/8 16 mm CHECK - BT3656AC4